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Nummular headache: three new cases


Fabíola Dach, Hospital of Clinics, Avenue Bandeirantes, 3900 Campus Universitário Ribeirão Preto, São Paulo 14000-000, Brazil. E-mail


Nummular headache is proposed as a distinct type of headache in the Appendix of the second edition of the International Classification of Headache Disorders (ICHD-II). It is a chronic condition, with the following characteristics: pain is felt on a small circumscribed cranial area; pain is of mild to moderate intensity; there is no evidence of a structural abnormality. Herein, three cases fulfilling the ICHD-II proposed criteria (code A13.7.1) for nummular headache are reported.